| Name | Leptosiphon septentrionalis (H. Mason) J. M. Porter & L. A. Johnson |
| Authorship | (H. Mason) J. M. Porter & L. A. Johnson |
| Rank | Species |
| Placed in | Leptosiphon Bentham |
| Holdings | 44 Specimens held in the Harvard University Herbaria identified as Leptosiphon septentrionalis (H. Mason) J. M. Porter & L. A. Johnson |
| Identification made in | [no date] (44) |